stand-schedule-policy-controller

README

StandSchedulePolicy Controller

Controller that evicts all pods from target namespaces and optionally stops external resources.

At the moment the following external resources supported:

• Azure
  • ManagedMySQL databases
  • Virtual Machines

Usage

Install in Kubernetes cluster as standalone deployment and create custom resource:

apiVersion: automation.dodois.io/v1
kind: StandSchedulePolicy
metadata:
  name: test-policy-name
spec:
  resources: {}
  schedules:
    shutdown:
      cron: 0 19 * * *
    startup:
      cron: 30 4 * * 1-5
  targetNamespaceFilter: ^default$

This schedule will perform cleanup for default namespace every day at 19:00 (UTC) and startup at 4:30 (UTC) in working days.

Also, available kubernetes plugin to perform startup-shutdown actions on demand. You can find the latest release on repository release page.

With plugin, to perform shutdown for existing policy spec, run:

kubectl stand shutdown test-policy-name

Optionally, with wait flag:

kubectl stand shutdown test-policy-name --wait

Plugin will wait until specified policy will be in Completed/Failed status

How it works

• For shutdown action, controller will:
  • Scale down all deployments and statefulsets to zero replicas
  • Create resource quota with zero pods spec
  • Deletes all existing pods
  • Stops all matching external resources
• For startup action, controller will:
  • Starts all matching external resources
  • Deletes resource quota
  • Scale up all deployments and statefulsets to previous value

Development

To run all kinds of checks and generators please use:

make prepare

Prerequisites

• golang
• docker
• kind

Testing

Unit tests

make test-unit

Integration tests

make test-integration-setup
make test-integration

To perform cleanup:

make test-inregration-cleanup